API Spec 5L(44版)关于材料及试验的变化

Changes of Materials and Tests in 44th Edition of Standard API Spec 5L

针对API Spec 5L(44版)标准,简要分析了API 5L(44版)标准对于材料与理化试验方面与前一版本的变化。新版API 5L标准相比以前版本更加精简,实际使用更方便,在理化试验方面细节上变化较大,在焊管的实际生产应用中应予以注意。

According to the 44th edition of standard API Spec 5L,the paper analyzes the changes of materials and physical and chemical tests in standard API 5L compared with the former edition.In contrast,the new edition of standard API 5L is more brief,more convenient in real use,and has more changes in the details of physical and chemical tests than the former edition.Therefore,it is necessary to pay much attention in the practical production and application of welding pipes.